WO2007079617A1 - Batterie pile bouton - Google Patents

Batterie pile bouton Download PDF

Info

Publication number
WO2007079617A1
WO2007079617A1 PCT/CN2006/000403 CN2006000403W WO2007079617A1 WO 2007079617 A1 WO2007079617 A1 WO 2007079617A1 CN 2006000403 W CN2006000403 W CN 2006000403W WO 2007079617 A1 WO2007079617 A1 WO 2007079617A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode sheet
type battery
negative electrode
button type
positive electrode
Prior art date
Application number
PCT/CN2006/000403
Other languages
English (en)
Chinese (zh)
Inventor
Jinhua Ye
Original Assignee
Chung Pak (Guangdong) Battery Industrial Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chung Pak (Guangdong) Battery Industrial Co., Ltd. filed Critical Chung Pak (Guangdong) Battery Industrial Co., Ltd.
Publication of WO2007079617A1 publication Critical patent/WO2007079617A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0463—Cells or batteries with horizontal or inclined electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/109—Primary casings; Jackets or wrappings characterised by their shape or physical structure of button or coin shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/04—Cells with aqueous electrolyte
    • H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
    • H01M6/12—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with flat electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the utility model relates to a direct current power source, in particular to a button type battery which can be used as a power source of a portable electronic product.
  • Button type batteries are widely used in various portable electronic products because of their small size and high capacitance.
  • a button type battery for example, a lithium battery
  • a battery positive and negative electrode sheets and a diaphragm into a cylindrical shape (cylindrical shape), and then flattening (flattening:) to form a rectangular (square) shape.
  • the electrode piece is placed in the battery case. Since the casing of the button type battery has a circular cross section, the square electrode piece is placed therein, which inevitably causes the space of the four sides of the square to be unusable, thereby limiting the capacity of the battery.
  • the structure of the prior art products determines that the positive and negative guides must be spot welded to the battery (positive) housing and the (negative) cover, which increases the number of processes, reduces efficiency, and increases cost.
  • An object of the present invention is to overcome the deficiencies of the prior art and to provide a button type battery which can make full use of the space inside the battery case, has a large battery capacity, and can reduce the number of steps and cost during manufacture.
  • the button type battery comprises a casing (1), a cover (2), a sealing ring (3) disposed at a connection portion between the casing and the cover, and a combined electric device disposed in the casing.
  • the core is characterized in that the combined battery core is composed of an electrode sheet group, and the electrode sheet group is composed of a positive electrode sheet (4) and a negative electrode sheet (5); the cross-sectional shape and size of the combined battery core are matched with the inner cavity of the housing.
  • the combined battery cell includes one or more electrode chip groups, and the electrode chip groups are separated by an insulating sheet (6).
  • the utility model has a reasonable structure, can effectively increase the battery capacity, and can simplify the battery assembly process, thereby improving efficiency and reducing cost.
  • Figure 1 is a main structural view of the present invention.
  • Fig. 2 is a schematic view showing the structure of a combined battery core according to Embodiment 1 of the present invention.
  • Figure 3 is a schematic view showing the structure of a combined battery core of Embodiment 2 of the present invention.
  • the button type battery includes a casing (1), a cover (2), a sealing ring (3) disposed at a connection portion between the casing and the cover, and a combined battery core disposed in the casing, wherein the combined battery core is composed of Or one or more electrode sheets are stacked, each electrode sheet group is composed of a positive electrode sheet (4) and a negative electrode sheet (5), and the electrode sheet group is separated by an insulating sheet (6); Connected.
  • the cross-sectional shape and size of the combined battery core are matched with the inner cavity of the housing.
  • the positive electrode of the battery is composed of a metal foil (e.g., aluminum foil) and a positive electrode material (e.g., a lithium compound), and the negative electrode plate is composed of a metal foil (e.g., copper foil) and a negative electrode material (e.g., carbon powder).
  • a metal foil e.g., aluminum foil
  • a positive electrode material e.g., a lithium compound
  • the negative electrode plate is composed of a metal foil (e.g., copper foil) and a negative electrode material (e.g., carbon powder).
  • the separator (7) After being covered by the separator (7), it is laminated with the negative electrode sheet to form an electrode sheet group.
  • the diaphragm (7) covers the positive electrode (4), and the periphery can be sealed. But in order to prevent the positive electrode (4) from slipping out of the diaphragm
  • cover area In addition to the cover area, it may be in contact with other electrode sheets, and the periphery may be partially sealed or fully sealed.
  • the positive electrode sheet of the battery is composed of a metal foil (for example, aluminum foil) and a positive electrode material (for example, a lithium compound), and the negative electrode sheet is composed of a metal foil (for example, copper foil) and a negative electrode material (for example, carbon powder).
  • the negative electrode sheet (5) is covered by the separator (7) and laminated with the positive electrode sheet to form an electrode sheet group.
  • the diaphragm (7) covers the negative electrode (5), and the periphery can be sealed.
  • the peripheral portion may be partially sealed or fully sealed.
  • the shape of the positive and negative electrode sheets and the laminated battery cells are as close as possible to the shape of the casing (must leave the position required for electrode guiding), and fill the space inside the casing as much as possible, and use the circular area as much as possible to increase capacitance.
  • the positive and negative electrode sheets are guided by contact type, no welding is required, thereby simplifying the process, improving efficiency, and reducing cost.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Primary Cells (AREA)

Abstract

Pile bouton utilisée comme source électrique d'équipement électrique portable, comprenant un boîtier, un couvercle de face, un joint statique placé dans la partie raccordant le boîtier et le couvercle de face, et un noyau de pile composite placé dans le boîtier. Cette pile bouton est caractérisée en ce que le noyau de pile composite est stratifié par un groupe d'électrodes planes au moins, chaque groupe étant constitué d'une électrode plane positive et d'une électrode plane négative, une plaque d'isolation venant en sandwich entre les groupes d'électrodes planes. La forme de la section transversale et la dimension du noyau de pile composite s'adaptent à l'espace intérieur du boîtier.
PCT/CN2006/000403 2006-01-06 2006-03-15 Batterie pile bouton WO2007079617A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200620053339.9 2006-01-06
CNU2006200533399U CN2874790Y (zh) 2006-01-06 2006-01-06 一种钮扣型电池

Publications (1)

Publication Number Publication Date
WO2007079617A1 true WO2007079617A1 (fr) 2007-07-19

Family

ID=37781388

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/000403 WO2007079617A1 (fr) 2006-01-06 2006-03-15 Batterie pile bouton

Country Status (2)

Country Link
CN (1) CN2874790Y (fr)
WO (1) WO2007079617A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019536254A (ja) * 2016-12-30 2019-12-12 チョンチン ブイディーエル エレクトロニクス カンパニー，リミテッド ボタン電池及びその製造方法
CN112086691A (zh) * 2020-09-17 2020-12-15 潘文硕 一种扣式锂电池的制备方法及所得的产品

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2394324B1 (fr) 2009-02-09 2015-06-10 VARTA Microbattery GmbH Piles-boutons et leur procédé de fabrication
DE102009060800A1 (de) 2009-06-18 2011-06-09 Varta Microbattery Gmbh Knopfzelle mit Wickelelektrode und Verfahren zu ihrer Herstellung
CN106129479A (zh) * 2016-08-22 2016-11-16 深圳拓邦新能源技术有限公司 电芯结构及其制备方法、扣式二次锂离子电池
DE202017007353U1 (de) * 2017-11-22 2020-11-23 Shengyi Wang Zylindrische Batterie oder Knopfbatterie
CN108511679A (zh) * 2018-06-20 2018-09-07 力信（江苏）能源科技有限责任公司 一种提高安全性能的极片及其生产装置、制备方法
CN113363635A (zh) * 2019-05-15 2021-09-07 广东微电新能源有限公司 纽扣型电池及其制造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5494495A (en) * 1994-10-11 1996-02-27 Micron Communications, Inc. Method of forming button-type batteries
CN1461503A (zh) * 2000-08-09 2003-12-10 松下电器产业株式会社 硬币型电池
CN1495947A (zh) * 2002-09-03 2004-05-12 ����Sdi��ʽ���� 钮扣型电池
CN1515048A (zh) * 2001-08-10 2004-07-21 松下电器产业株式会社 硬币型电池及其制造方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5494495A (en) * 1994-10-11 1996-02-27 Micron Communications, Inc. Method of forming button-type batteries
CN1461503A (zh) * 2000-08-09 2003-12-10 松下电器产业株式会社 硬币型电池
CN1515048A (zh) * 2001-08-10 2004-07-21 松下电器产业株式会社 硬币型电池及其制造方法
CN1495947A (zh) * 2002-09-03 2004-05-12 ����Sdi��ʽ���� 钮扣型电池

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019536254A (ja) * 2016-12-30 2019-12-12 チョンチン ブイディーエル エレクトロニクス カンパニー，リミテッド ボタン電池及びその製造方法
US11165088B2 (en) 2016-12-30 2021-11-02 Chongqing Vdl Electronics Co., Ltd. Button battery and manufacturing method therefor
CN112086691A (zh) * 2020-09-17 2020-12-15 潘文硕 一种扣式锂电池的制备方法及所得的产品

Also Published As

Publication number Publication date
CN2874790Y (zh) 2007-02-28

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